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cond-mat.mes-hall2016★ 57 cited
Detecting topological invariants in chiral symmetric insulators via losses
Tibor Rakovszky, Janos K. Asboth, Andrea Alberti
We show that the bulk winding number characterizing one-dimensional topological insulators with chiral symmetry can be detected from the displacement of a single particle, observed…
cond-mat.mes-hall2016★ 19 cited
Spectral flow and global topology of the Hofstadter butterfly
Janos K. Asboth, Andrea Alberti
We study the relation between the global topology of the Hofstadter butterfly of a multiband insulator and the topological invariants of the underlying Hamiltonian. The global topo…